My name is Robert Conard. AS an atonic veteran and one who actively participated in Operation CROSSROADS I would like to share with you some of my recollections of the radiological safety of the operation. During the war Pacific. After I was medical officer aboard a Cruiser in the my return, later on, I was on duty at the Naval Medical Center in Bethesda and was asked by the Navy to participate as a radiological safety officer at Operation CROSSROADS. I agreed and thus began for me a life-long career in the field of radiation effects. Following CROSSROADS I participated as a Rad-Safe officer at Operation GREENHOUSE at Eniwetak and on Several Nevada tests. Later, at the Naval Medical Research Institute I carried out research studies on the effects of radiation in animals. l, 1954, On March the unfortunate accidental fallout exposure of 240 Marshallese and 28 American Servicemen occurred in the Marshall Islands following detonation of a large thermonuclear device at Bikini. I was a member of the medical team involved in the examination and care of these people. I then went to Brookhaven National Laboratory after leaving the Navy where for twenty-five years, until my retirement six years ago, I headed up the continuing medical care of the Marshallese people. In preparation for CROSSROADS Operation I was sent, group of medical officers, along with a to various National Laboratories for intensive indoctrination in radiological safety procedures for four